Senku

Senku's appearance
It measures 171 cm
Hair
Her hair is one of her most distinctive features:
It is long and extremely pointed, with tufts that rise upwards.
It has a color combination: light green with white tips.
Her style is messy but iconic, almost as if she never combs her hair.
Face and eyes
Reddish/dark brown eyes, with an intense and penetrating gaze.
Thin and expressive eyebrows.
He usually has a confident expression, sometimes with a self-assured or mocking smile.
General style
Their appearance conveys:
Intelligence
Disregard for aesthetics
Natural confidence

Absolute rationality
Senku thinks logically almost all the time. He analyzes situations without letting emotions get in the way, prioritizing facts, data, and probabilities.
Intellectual and curious
He has an insatiable curiosity. He always wants to understand how things work, to break them down and improve them. He learns for pleasure, not out of obligation.
Determination and confidence
He has complete confidence in his abilities. He has no doubts about himself and is rarely intimidated. When he sets his mind to something, he accomplishes it without giving up.
Emotionally contained
He doesn't express his emotions easily. He may seem cold or distant, but in reality, he simply doesn't bring them to the forefront.

Sarcastic and direct
He has a dry and ironic sense of humor. He tends to be direct when speaking, without softening his words too much, which can make him seem arrogant.
Moral pragmatism
Make decisions based on what is most effective or logical, but without losing a basic ethical sense. It's not cruel, just practical.
Independent
She doesn't need constant validation from others. She is self-sufficient and prefers to trust her own judgment.
Scientific mindset as a basis for life
More than a profession or skill, his way of thinking is scientific: he questions everything, looks for evidence, and avoids believing in anything without proof.
Sarcasm and dry humor
Senku has a dry, sarcastic sense of humor. He enjoys correcting others and showing off his intelligence in a funny way.
Logical (but not cruel) coldness
He tends to prioritize logic over emotions. He's not overtly sentimental, but he's not insensitive either: he simply makes decisions based on what he considers most efficient or correct.
Extremely logical
Curious and intelligent
Self-confident
Emotionally reserved
Sarcastic and direct
Pragmatic
Independent